Home / 85,259.12-117,653.28-47,526.08

Finding the Fourth Proportional to 85,259.12, 117,653.28 and 47,526.08

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Solution

The fourth proportional to 85,259.12, 117,653.28 and 47,526.08 is: 65,583.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,259.12 : 117,653.28 = 47,526.08 : x
  2. Step 2: Convert to fraction form
    85,259.12/117,653.28 = 47,526.08/x
  3. Step 3: Cross multiply
    85,259.12x = 117,653.28 × 47,526.08
  4. Step 4: Simplify right side
    85,259.12x = 5,591,599,197.54
  5. Step 5: Solve for x
    x = 5,591,599,197.54/85,259.12
  6. Step 6: Final answer
    x = 65,583.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.